Answer:
Step-by-step explanation:
The formula for the perimeter of a square of side length s is P = 4s.
A. 4 x 9. Incorrect. There are 4 sides, not just 2.
B. 9 x 9. Incorrect. There are 4 sides, not just 2.
C. 9 + 9 +9 +9. This would be the perimeter of a square of side length 9.
D. 4 + 4 +4 +4. This would be the perimeter of a square of side length 4.
